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| <div id="overview"><a href="../../../../../apidocs/org/trafodion/dcs/server/ServerManager.html">View Javadoc</a></div><pre> |
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| <a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment">********************************************************************</em>
|
| <a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_javadoccomment">* @@@ START COPYRIGHT @@@</em>
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| <a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_javadoccomment">*</em>
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| <a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_javadoccomment">* Licensed to the Apache Software Foundation (ASF) under one</em>
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| <a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_javadoccomment">* or more contributor license agreements. See the NOTICE file</em>
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| <a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_javadoccomment">* distributed with this work for additional information</em>
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| <a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_javadoccomment">* regarding copyright ownership. The ASF licenses this file</em>
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| <a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_javadoccomment">* to you under the Apache License, Version 2.0 (the</em>
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| <a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_javadoccomment">* "License"); you may not use this file except in compliance</em>
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| <a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_javadoccomment">* with the License. You may obtain a copy of the License at</em>
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| <a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_javadoccomment">*</em>
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| <a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_javadoccomment">* <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
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| <a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_javadoccomment">*</em>
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| <a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_javadoccomment">* Unless required by applicable law or agreed to in writing,</em>
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| <a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_javadoccomment">* software distributed under the License is distributed on an</em>
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| <a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_javadoccomment">* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
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| <a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_javadoccomment">* KIND, either express or implied. See the License for the</em>
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| <a class="jxr_linenumber" name="18" href="#18">18</a> <em class="jxr_javadoccomment">* specific language governing permissions and limitations</em>
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| <a class="jxr_linenumber" name="19" href="#19">19</a> <em class="jxr_javadoccomment">* under the License.</em>
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| <a class="jxr_linenumber" name="20" href="#20">20</a> <em class="jxr_javadoccomment">*</em>
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| <a class="jxr_linenumber" name="21" href="#21">21</a> <em class="jxr_javadoccomment">* @@@ END COPYRIGHT @@@</em>
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| <a class="jxr_linenumber" name="22" href="#22">22</a> <em class="jxr_javadoccomment">**********************************************************************/</em>
|
| <a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">package</strong> org.trafodion.dcs.server;
|
| <a class="jxr_linenumber" name="24" href="#24">24</a>
|
| <a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.net.InetAddress;
|
| <a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.io.*;
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| <a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.util.*;
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| <a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Callable;
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| <a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Executors;
|
| <a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ExecutorService;
|
| <a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ExecutorCompletionService;
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| <a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.CompletionService;
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| <a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Future;
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| <a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ExecutionException;
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| <a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.CountDownLatch;
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| <a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> java.text.DateFormat;
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| <a class="jxr_linenumber" name="37" href="#37">37</a>
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| <a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
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| <a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
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| <a class="jxr_linenumber" name="40" href="#40">40</a>
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| <a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
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| <a class="jxr_linenumber" name="42" href="#42">42</a>
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| <a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.CreateMode;
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| <a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.ZooDefs;
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| <a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.data.Stat;
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| <a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.Watcher;
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| <a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.WatchedEvent;
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| <a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.KeeperException;
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| <a class="jxr_linenumber" name="49" href="#49">49</a>
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| <a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.Constants;
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| <a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.util.Bytes;
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| <a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.util.DcsConfiguration;
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| <a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.util.DcsNetworkConfiguration;
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| <a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.util.RetryCounter;
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| <a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.util.RetryCounterFactory;
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| <a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.zookeeper.ZkClient;
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| <a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.script.ScriptManager;
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| <a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.script.ScriptContext;
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| <a class="jxr_linenumber" name="59" href="#59">59</a>
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| <a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerManager</a> <strong class="jxr_keyword">implements</strong> Callable {
|
| <a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(ServerManager.<strong class="jxr_keyword">class</strong>);
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| <a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Configuration conf;
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| <a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/trafodion/dcs/zookeeper/ZkClient.html">ZkClient</a> zkc;
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| <a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> userProgEnabled;
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| <a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String userProgramHome;
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| <a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String userProgramCommand;
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| <a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String hostName;
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| <a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String masterHostName;
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| <a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">long</strong> masterStartTime;
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| <a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> port;
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| <a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> portRange;
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| <a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/trafodion/dcs/util/DcsNetworkConfiguration.html">DcsNetworkConfiguration</a> netConf;
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| <a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> instance;
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| <a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> childServers;
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| <a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String parentZnode;
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| <a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> connectingTimeout;
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| <a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> zkSessionTimeout;
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| <a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> userProgExitAfterDisconnect;
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| <a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> infoPort;
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| <a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> maxHeapPctExit;
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| <a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> statisticsIntervalTime;
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| <a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> statisticsLimitTime;
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| <a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String statisticsType;
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| <a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String statisticsEnable;
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| <a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String sqlplanEnable;
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| <a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> userProgPortMapToSecs;
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| <a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> userProgPortBindToSecs;
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| <a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> maxRestartAttempts;
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| <a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> retryIntervalMillis;
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| <a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/trafodion/dcs/util/RetryCounterFactory.html">RetryCounterFactory</a> retryCounterFactory;
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| <a class="jxr_linenumber" name="91" href="#91">91</a>
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| <a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">RegisteredWatcher</a> <strong class="jxr_keyword">implements</strong> Watcher {
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| <a class="jxr_linenumber" name="93" href="#93">93</a> CountDownLatch startSignal;
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| <a class="jxr_linenumber" name="94" href="#94">94</a>
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| <a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">RegisteredWatcher</a>(CountDownLatch startSignal) {
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| <a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">this</strong>.startSignal = startSignal;
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| <a class="jxr_linenumber" name="97" href="#97">97</a> }
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| <a class="jxr_linenumber" name="98" href="#98">98</a>
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| <a class="jxr_linenumber" name="99" href="#99">99</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> process(WatchedEvent event) {
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| <a class="jxr_linenumber" name="100" href="#100">100</a> <strong class="jxr_keyword">if</strong> (event.getType() == Event.EventType.NodeDeleted) {
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| <a class="jxr_linenumber" name="101" href="#101">101</a> String znodePath = event.getPath();
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| <a class="jxr_linenumber" name="102" href="#102">102</a> LOG.debug(<span class="jxr_string">"Registered znode deleted ["</span> + znodePath + <span class="jxr_string">"]"</span>);
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| <a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">try</strong> {
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| <a class="jxr_linenumber" name="104" href="#104">104</a> startSignal.countDown();
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| <a class="jxr_linenumber" name="105" href="#105">105</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
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| <a class="jxr_linenumber" name="106" href="#106">106</a> e.printStackTrace();
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| <a class="jxr_linenumber" name="107" href="#107">107</a> LOG.error(e);
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| <a class="jxr_linenumber" name="108" href="#108">108</a> }
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| <a class="jxr_linenumber" name="109" href="#109">109</a> }
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| <a class="jxr_linenumber" name="110" href="#110">110</a> }
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| <a class="jxr_linenumber" name="111" href="#111">111</a> }
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| <a class="jxr_linenumber" name="112" href="#112">112</a>
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| <a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerMonitor</a> {
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| <a class="jxr_linenumber" name="114" href="#114">114</a> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a> scriptContext = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a>();
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| <a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">int</strong> childInstance;
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| <a class="jxr_linenumber" name="116" href="#116">116</a> String registeredPath;
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| <a class="jxr_linenumber" name="117" href="#117">117</a> Stat stat = <strong class="jxr_keyword">null</strong>;
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| <a class="jxr_linenumber" name="118" href="#118">118</a> <strong class="jxr_keyword">boolean</strong> isRunning = false;
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| <a class="jxr_linenumber" name="119" href="#119">119</a>
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| <a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerMonitor</a>(<strong class="jxr_keyword">int</strong> childInstance, String registeredPath) {
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| <a class="jxr_linenumber" name="121" href="#121">121</a> <strong class="jxr_keyword">this</strong>.childInstance = childInstance;
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| <a class="jxr_linenumber" name="122" href="#122">122</a> <strong class="jxr_keyword">this</strong>.registeredPath = registeredPath;
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| <a class="jxr_linenumber" name="123" href="#123">123</a> }
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| <a class="jxr_linenumber" name="124" href="#124">124</a>
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| <a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> monitor() <strong class="jxr_keyword">throws</strong> Exception {
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| <a class="jxr_linenumber" name="126" href="#126">126</a> LOG.debug(<span class="jxr_string">"registered path ["</span> + registeredPath + <span class="jxr_string">"]"</span>);
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| <a class="jxr_linenumber" name="127" href="#127">127</a> stat = zkc.exists(registeredPath, false);
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| <a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">if</strong> (stat != <strong class="jxr_keyword">null</strong>) { <em class="jxr_comment">// User program znode found in</em>
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| <a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_comment">// /registered...check pid</em>
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| <a class="jxr_linenumber" name="130" href="#130">130</a> isRunning = isPid();
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| <a class="jxr_linenumber" name="131" href="#131">131</a> LOG.debug(<span class="jxr_string">"isRunning ["</span> + isRunning + <span class="jxr_string">"]"</span>);
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| <a class="jxr_linenumber" name="132" href="#132">132</a> }
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| <a class="jxr_linenumber" name="133" href="#133">133</a>
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| <a class="jxr_linenumber" name="134" href="#134">134</a> <strong class="jxr_keyword">return</strong> isRunning;
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| <a class="jxr_linenumber" name="135" href="#135">135</a> }
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| <a class="jxr_linenumber" name="136" href="#136">136</a>
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| <a class="jxr_linenumber" name="137" href="#137">137</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isPid() <strong class="jxr_keyword">throws</strong> Exception {
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| <a class="jxr_linenumber" name="138" href="#138">138</a> String data = Bytes.toString(zkc.getData(registeredPath, false,
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| <a class="jxr_linenumber" name="139" href="#139">139</a> stat));
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| <a class="jxr_linenumber" name="140" href="#140">140</a> Scanner scn = <strong class="jxr_keyword">new</strong> Scanner(data);
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| <a class="jxr_linenumber" name="141" href="#141">141</a> scn.useDelimiter(<span class="jxr_string">":"</span>);
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| <a class="jxr_linenumber" name="142" href="#142">142</a> scn.next();<em class="jxr_comment">// state</em>
|
| <a class="jxr_linenumber" name="143" href="#143">143</a> scn.next();<em class="jxr_comment">// timestamp</em>
|
| <a class="jxr_linenumber" name="144" href="#144">144</a> scn.next();<em class="jxr_comment">// dialogue Id</em>
|
| <a class="jxr_linenumber" name="145" href="#145">145</a> scn.next();<em class="jxr_comment">// nid</em>
|
| <a class="jxr_linenumber" name="146" href="#146">146</a> String pid = scn.next();<em class="jxr_comment">// pid</em>
|
| <a class="jxr_linenumber" name="147" href="#147">147</a> scn.close();
|
| <a class="jxr_linenumber" name="148" href="#148">148</a> scriptContext.setHostName(hostName);
|
| <a class="jxr_linenumber" name="149" href="#149">149</a> scriptContext.setScriptName(Constants.SYS_SHELL_SCRIPT_NAME);
|
| <a class="jxr_linenumber" name="150" href="#150">150</a> scriptContext.setCommand(<span class="jxr_string">"ps -p "</span> + pid);
|
| <a class="jxr_linenumber" name="151" href="#151">151</a> ScriptManager.getInstance().runScript(scriptContext);
|
| <a class="jxr_linenumber" name="152" href="#152">152</a> <strong class="jxr_keyword">return</strong> scriptContext.getExitCode() != 0 ? false : <strong class="jxr_keyword">true</strong>;
|
| <a class="jxr_linenumber" name="153" href="#153">153</a> }
|
| <a class="jxr_linenumber" name="154" href="#154">154</a> }
|
| <a class="jxr_linenumber" name="155" href="#155">155</a>
|
| <a class="jxr_linenumber" name="156" href="#156">156</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerRunner</a> {
|
| <a class="jxr_linenumber" name="157" href="#157">157</a> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a> scriptContext;
|
| <a class="jxr_linenumber" name="158" href="#158">158</a> String registeredPath;
|
| <a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">int</strong> childInstance;
|
| <a class="jxr_linenumber" name="160" href="#160">160</a>
|
| <a class="jxr_linenumber" name="161" href="#161">161</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerRunner</a>(<strong class="jxr_keyword">int</strong> childInstance, String registeredPath) {
|
| <a class="jxr_linenumber" name="162" href="#162">162</a> <strong class="jxr_keyword">this</strong>.scriptContext = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a>();
|
| <a class="jxr_linenumber" name="163" href="#163">163</a> <strong class="jxr_keyword">this</strong>.childInstance = childInstance;
|
| <a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">this</strong>.registeredPath = registeredPath;
|
| <a class="jxr_linenumber" name="165" href="#165">165</a> scriptContext.setHostName(hostName);
|
| <a class="jxr_linenumber" name="166" href="#166">166</a> scriptContext.setScriptName(Constants.SYS_SHELL_SCRIPT_NAME);
|
| <a class="jxr_linenumber" name="167" href="#167">167</a> String command = userProgramCommand
|
| <a class="jxr_linenumber" name="168" href="#168">168</a> .replace(<span class="jxr_string">"-ZKHOST"</span>, <span class="jxr_string">"-ZKHOST "</span> + zkc.getZkQuorum() + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="169" href="#169">169</a> .replace(
|
| <a class="jxr_linenumber" name="170" href="#170">170</a> <span class="jxr_string">"-RZ"</span>,
|
| <a class="jxr_linenumber" name="171" href="#171">171</a> <span class="jxr_string">"-RZ "</span> + hostName + <span class="jxr_string">":"</span> + instance + <span class="jxr_string">":"</span>
|
| <a class="jxr_linenumber" name="172" href="#172">172</a> + childInstance + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="173" href="#173">173</a> .replace(<span class="jxr_string">"-ZKPNODE"</span>,
|
| <a class="jxr_linenumber" name="174" href="#174">174</a> <span class="jxr_string">"-ZKPNODE "</span> + <span class="jxr_string">"\""</span> + parentZnode + <span class="jxr_string">"\""</span> + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="175" href="#175">175</a> .replace(<span class="jxr_string">"-CNGTO"</span>, <span class="jxr_string">"-CNGTO "</span> + connectingTimeout + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="176" href="#176">176</a> .replace(<span class="jxr_string">"-ZKSTO"</span>, <span class="jxr_string">"-ZKSTO "</span> + zkSessionTimeout + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="177" href="#177">177</a> .replace(<span class="jxr_string">"-EADSCO"</span>,
|
| <a class="jxr_linenumber" name="178" href="#178">178</a> <span class="jxr_string">"-EADSCO "</span> + userProgExitAfterDisconnect + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="179" href="#179">179</a> .replace(<span class="jxr_string">"-TCPADD"</span>,
|
| <a class="jxr_linenumber" name="180" href="#180">180</a> <span class="jxr_string">"-TCPADD "</span> + netConf.getExtHostAddress() + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="181" href="#181">181</a> .replace(<span class="jxr_string">"-MAXHEAPPCT"</span>,
|
| <a class="jxr_linenumber" name="182" href="#182">182</a> <span class="jxr_string">"-MAXHEAPPCT "</span> + maxHeapPctExit + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="183" href="#183">183</a> .replace(
|
| <a class="jxr_linenumber" name="184" href="#184">184</a> <span class="jxr_string">"-STATISTICSINTERVAL"</span>,
|
| <a class="jxr_linenumber" name="185" href="#185">185</a> <span class="jxr_string">"-STATISTICSINTERVAL "</span> + statisticsIntervalTime
|
| <a class="jxr_linenumber" name="186" href="#186">186</a> + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="187" href="#187">187</a> .replace(<span class="jxr_string">"-STATISTICSLIMIT"</span>,
|
| <a class="jxr_linenumber" name="188" href="#188">188</a> <span class="jxr_string">"-STATISTICSLIMIT "</span> + statisticsLimitTime + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="189" href="#189">189</a> .replace(<span class="jxr_string">"-STATISTICSTYPE"</span>,
|
| <a class="jxr_linenumber" name="190" href="#190">190</a> <span class="jxr_string">"-STATISTICSTYPE "</span> + statisticsType + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="191" href="#191">191</a> .replace(<span class="jxr_string">"-STATISTICSENABLE"</span>,
|
| <a class="jxr_linenumber" name="192" href="#192">192</a> <span class="jxr_string">"-STATISTICSENABLE "</span> + statisticsEnable + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="193" href="#193">193</a> .replace(<span class="jxr_string">"-SQLPLAN"</span>, <span class="jxr_string">"-SQLPLAN "</span> + sqlplanEnable + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="194" href="#194">194</a> .replace(<span class="jxr_string">"-PORTMAPTOSECS"</span>,
|
| <a class="jxr_linenumber" name="195" href="#195">195</a> <span class="jxr_string">"-PORTMAPTOSECS "</span> + userProgPortMapToSecs + <span class="jxr_string">" "</span>)
|
| <a class="jxr_linenumber" name="196" href="#196">196</a> .replace(<span class="jxr_string">"-PORTBINDTOSECS"</span>,
|
| <a class="jxr_linenumber" name="197" href="#197">197</a> <span class="jxr_string">"-PORTBINDTOSECS "</span> + userProgPortBindToSecs)
|
| <a class="jxr_linenumber" name="198" href="#198">198</a> .replace(<span class="jxr_string">"&lt;"</span>, <span class="jxr_string">"<"</span>).replace(<span class="jxr_string">"&amp;"</span>, <span class="jxr_string">"&"</span>)
|
| <a class="jxr_linenumber" name="199" href="#199">199</a> .replace(<span class="jxr_string">"&gt;"</span>, <span class="jxr_string">">"</span>);
|
| <a class="jxr_linenumber" name="200" href="#200">200</a> scriptContext.setCommand(command);
|
| <a class="jxr_linenumber" name="201" href="#201">201</a> }
|
| <a class="jxr_linenumber" name="202" href="#202">202</a>
|
| <a class="jxr_linenumber" name="203" href="#203">203</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> exec() <strong class="jxr_keyword">throws</strong> Exception {
|
| <a class="jxr_linenumber" name="204" href="#204">204</a> cleanupZk();
|
| <a class="jxr_linenumber" name="205" href="#205">205</a> <a href="../../../../org/trafodion/dcs/util/RetryCounter.html">RetryCounter</a> retryCounter = retryCounterFactory.create();
|
| <a class="jxr_linenumber" name="206" href="#206">206</a> <strong class="jxr_keyword">while</strong> (!isTrafodionRunning()) {
|
| <a class="jxr_linenumber" name="207" href="#207">207</a> LOG.error(<span class="jxr_string">"Trafodion is not running"</span>);
|
| <a class="jxr_linenumber" name="208" href="#208">208</a> <strong class="jxr_keyword">if</strong> (!retryCounter.shouldRetry()) {
|
| <a class="jxr_linenumber" name="209" href="#209">209</a> <strong class="jxr_keyword">return</strong>;
|
| <a class="jxr_linenumber" name="210" href="#210">210</a> } <strong class="jxr_keyword">else</strong> {
|
| <a class="jxr_linenumber" name="211" href="#211">211</a> retryCounter.sleepUntilNextRetry();
|
| <a class="jxr_linenumber" name="212" href="#212">212</a> retryCounter.useRetry();
|
| <a class="jxr_linenumber" name="213" href="#213">213</a> }
|
| <a class="jxr_linenumber" name="214" href="#214">214</a> }
|
| <a class="jxr_linenumber" name="215" href="#215">215</a> LOG.info(<span class="jxr_string">"User program exec ["</span> + scriptContext.getCommand() + <span class="jxr_string">"]"</span>);
|
| <a class="jxr_linenumber" name="216" href="#216">216</a> ScriptManager.getInstance().runScript(scriptContext);<em class="jxr_comment">// This will</em>
|
| <a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_comment">// block while</em>
|
| <a class="jxr_linenumber" name="218" href="#218">218</a> <em class="jxr_comment">// user prog is</em>
|
| <a class="jxr_linenumber" name="219" href="#219">219</a> <em class="jxr_comment">// running</em>
|
| <a class="jxr_linenumber" name="220" href="#220">220</a> LOG.info(<span class="jxr_string">"User program exit ["</span> + scriptContext.getExitCode() + <span class="jxr_string">"]"</span>);
|
| <a class="jxr_linenumber" name="221" href="#221">221</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder();
|
| <a class="jxr_linenumber" name="222" href="#222">222</a> sb.append(<span class="jxr_string">"exit code ["</span> + scriptContext.getExitCode() + <span class="jxr_string">"]"</span>);
|
| <a class="jxr_linenumber" name="223" href="#223">223</a> <strong class="jxr_keyword">if</strong> (!scriptContext.getStdOut().toString().isEmpty())
|
| <a class="jxr_linenumber" name="224" href="#224">224</a> sb.append(<span class="jxr_string">", stdout ["</span> + scriptContext.getStdOut().toString()
|
| <a class="jxr_linenumber" name="225" href="#225">225</a> + <span class="jxr_string">"]"</span>);
|
| <a class="jxr_linenumber" name="226" href="#226">226</a> <strong class="jxr_keyword">if</strong> (!scriptContext.getStdErr().toString().isEmpty())
|
| <a class="jxr_linenumber" name="227" href="#227">227</a> sb.append(<span class="jxr_string">", stderr ["</span> + scriptContext.getStdErr().toString()
|
| <a class="jxr_linenumber" name="228" href="#228">228</a> + <span class="jxr_string">"]"</span>);
|
| <a class="jxr_linenumber" name="229" href="#229">229</a> LOG.info(sb.toString());
|
| <a class="jxr_linenumber" name="230" href="#230">230</a>
|
| <a class="jxr_linenumber" name="231" href="#231">231</a> <strong class="jxr_keyword">switch</strong> (scriptContext.getExitCode()) {
|
| <a class="jxr_linenumber" name="232" href="#232">232</a> <strong class="jxr_keyword">case</strong> 3:
|
| <a class="jxr_linenumber" name="233" href="#233">233</a> LOG.error(<span class="jxr_string">"Trafodion is not running"</span>);
|
| <a class="jxr_linenumber" name="234" href="#234">234</a> <strong class="jxr_keyword">break</strong>;
|
| <a class="jxr_linenumber" name="235" href="#235">235</a> <strong class="jxr_keyword">case</strong> 127:
|
| <a class="jxr_linenumber" name="236" href="#236">236</a> LOG.error(<span class="jxr_string">"Cannot find user program executable"</span>);
|
| <a class="jxr_linenumber" name="237" href="#237">237</a> <strong class="jxr_keyword">break</strong>;
|
| <a class="jxr_linenumber" name="238" href="#238">238</a> <strong class="jxr_keyword">default</strong>:
|
| <a class="jxr_linenumber" name="239" href="#239">239</a> }
|
| <a class="jxr_linenumber" name="240" href="#240">240</a> }
|
| <a class="jxr_linenumber" name="241" href="#241">241</a>
|
| <a class="jxr_linenumber" name="242" href="#242">242</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> cleanupZk() {
|
| <a class="jxr_linenumber" name="243" href="#243">243</a> <strong class="jxr_keyword">try</strong> {
|
| <a class="jxr_linenumber" name="244" href="#244">244</a> Stat stat = zkc.exists(registeredPath, false);
|
| <a class="jxr_linenumber" name="245" href="#245">245</a> <strong class="jxr_keyword">if</strong> (stat != <strong class="jxr_keyword">null</strong>)
|
| <a class="jxr_linenumber" name="246" href="#246">246</a> zkc.delete(registeredPath, -1);
|
| <a class="jxr_linenumber" name="247" href="#247">247</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
|
| <a class="jxr_linenumber" name="248" href="#248">248</a> e.printStackTrace();
|
| <a class="jxr_linenumber" name="249" href="#249">249</a> LOG.debug(e);
|
| <a class="jxr_linenumber" name="250" href="#250">250</a> }
|
| <a class="jxr_linenumber" name="251" href="#251">251</a> }
|
| <a class="jxr_linenumber" name="252" href="#252">252</a>
|
| <a class="jxr_linenumber" name="253" href="#253">253</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isTrafodionRunning() {
|
| <a class="jxr_linenumber" name="254" href="#254">254</a> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a> scriptContext = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a>();
|
| <a class="jxr_linenumber" name="255" href="#255">255</a> scriptContext.setHostName(hostName);
|
| <a class="jxr_linenumber" name="256" href="#256">256</a> scriptContext.setScriptName(Constants.SYS_SHELL_SCRIPT_NAME);
|
| <a class="jxr_linenumber" name="257" href="#257">257</a> String command = (<span class="jxr_string">"sqcheck"</span>);
|
| <a class="jxr_linenumber" name="258" href="#258">258</a> scriptContext.setCommand(command);
|
| <a class="jxr_linenumber" name="259" href="#259">259</a> ScriptManager.getInstance().runScript(scriptContext);<em class="jxr_comment">// This will</em>
|
| <a class="jxr_linenumber" name="260" href="#260">260</a> <em class="jxr_comment">// block while</em>
|
| <a class="jxr_linenumber" name="261" href="#261">261</a> <em class="jxr_comment">// script is</em>
|
| <a class="jxr_linenumber" name="262" href="#262">262</a> <em class="jxr_comment">// running</em>
|
| <a class="jxr_linenumber" name="263" href="#263">263</a> <strong class="jxr_keyword">return</strong> scriptContext.getExitCode() != 0 ? false : <strong class="jxr_keyword">true</strong>;
|
| <a class="jxr_linenumber" name="264" href="#264">264</a> }
|
| <a class="jxr_linenumber" name="265" href="#265">265</a> }
|
| <a class="jxr_linenumber" name="266" href="#266">266</a>
|
| <a class="jxr_linenumber" name="267" href="#267">267</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerHandler</a> <strong class="jxr_keyword">implements</strong> Callable<Integer> {
|
| <a class="jxr_linenumber" name="268" href="#268">268</a> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerMonitor</a> serverMonitor;
|
| <a class="jxr_linenumber" name="269" href="#269">269</a> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerRunner</a> serverRunner;
|
| <a class="jxr_linenumber" name="270" href="#270">270</a> <strong class="jxr_keyword">int</strong> childInstance;
|
| <a class="jxr_linenumber" name="271" href="#271">271</a> String registeredPath;
|
| <a class="jxr_linenumber" name="272" href="#272">272</a> CountDownLatch startSignal = <strong class="jxr_keyword">new</strong> CountDownLatch(1);
|
| <a class="jxr_linenumber" name="273" href="#273">273</a>
|
| <a class="jxr_linenumber" name="274" href="#274">274</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerHandler</a>(<strong class="jxr_keyword">int</strong> childInstance) {
|
| <a class="jxr_linenumber" name="275" href="#275">275</a> <strong class="jxr_keyword">this</strong>.childInstance = childInstance;
|
| <a class="jxr_linenumber" name="276" href="#276">276</a> <strong class="jxr_keyword">this</strong>.registeredPath = parentZnode
|
| <a class="jxr_linenumber" name="277" href="#277">277</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED
|
| <a class="jxr_linenumber" name="278" href="#278">278</a> + <span class="jxr_string">"/"</span> + hostName + <span class="jxr_string">":"</span> + instance + <span class="jxr_string">":"</span> + childInstance;
|
| <a class="jxr_linenumber" name="279" href="#279">279</a> serverMonitor = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerMonitor</a>(childInstance, registeredPath);
|
| <a class="jxr_linenumber" name="280" href="#280">280</a> serverRunner = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerRunner</a>(childInstance, registeredPath);
|
| <a class="jxr_linenumber" name="281" href="#281">281</a> }
|
| <a class="jxr_linenumber" name="282" href="#282">282</a>
|
| <a class="jxr_linenumber" name="283" href="#283">283</a> @Override
|
| <a class="jxr_linenumber" name="284" href="#284">284</a> <strong class="jxr_keyword">public</strong> Integer call() <strong class="jxr_keyword">throws</strong> Exception {
|
| <a class="jxr_linenumber" name="285" href="#285">285</a> Integer result = <strong class="jxr_keyword">new</strong> Integer(childInstance);
|
| <a class="jxr_linenumber" name="286" href="#286">286</a>
|
| <a class="jxr_linenumber" name="287" href="#287">287</a> <strong class="jxr_keyword">if</strong> (serverMonitor.monitor()) {
|
| <a class="jxr_linenumber" name="288" href="#288">288</a> LOG.info(<span class="jxr_string">"Server handler ["</span> + instance + <span class="jxr_string">":"</span> + childInstance
|
| <a class="jxr_linenumber" name="289" href="#289">289</a> + <span class="jxr_string">"] is running"</span>);
|
| <a class="jxr_linenumber" name="290" href="#290">290</a> zkc.exists(registeredPath, <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">RegisteredWatcher</a>(startSignal));
|
| <a class="jxr_linenumber" name="291" href="#291">291</a> LOG.debug(<span class="jxr_string">"Waiting for start signal"</span>);
|
| <a class="jxr_linenumber" name="292" href="#292">292</a> startSignal.await();
|
| <a class="jxr_linenumber" name="293" href="#293">293</a> serverRunner.exec();
|
| <a class="jxr_linenumber" name="294" href="#294">294</a> } <strong class="jxr_keyword">else</strong> {
|
| <a class="jxr_linenumber" name="295" href="#295">295</a> LOG.info(<span class="jxr_string">"Server handler ["</span> + instance + <span class="jxr_string">":"</span> + childInstance
|
| <a class="jxr_linenumber" name="296" href="#296">296</a> + <span class="jxr_string">"] is not running"</span>);
|
| <a class="jxr_linenumber" name="297" href="#297">297</a> serverRunner.exec();
|
| <a class="jxr_linenumber" name="298" href="#298">298</a> }
|
| <a class="jxr_linenumber" name="299" href="#299">299</a>
|
| <a class="jxr_linenumber" name="300" href="#300">300</a> <strong class="jxr_keyword">return</strong> result;
|
| <a class="jxr_linenumber" name="301" href="#301">301</a> }
|
| <a class="jxr_linenumber" name="302" href="#302">302</a> }
|
| <a class="jxr_linenumber" name="303" href="#303">303</a>
|
| <a class="jxr_linenumber" name="304" href="#304">304</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerManager</a>(Configuration conf, <a href="../../../../org/trafodion/dcs/zookeeper/ZkClient.html">ZkClient</a> zkc,
|
| <a class="jxr_linenumber" name="305" href="#305">305</a> <a href="../../../../org/trafodion/dcs/util/DcsNetworkConfiguration.html">DcsNetworkConfiguration</a> netConf, String instance, <strong class="jxr_keyword">int</strong> infoPort,
|
| <a class="jxr_linenumber" name="306" href="#306">306</a> <strong class="jxr_keyword">int</strong> childServers) <strong class="jxr_keyword">throws</strong> Exception {
|
| <a class="jxr_linenumber" name="307" href="#307">307</a> <strong class="jxr_keyword">this</strong>.conf = conf;
|
| <a class="jxr_linenumber" name="308" href="#308">308</a> <strong class="jxr_keyword">this</strong>.zkc = zkc;
|
| <a class="jxr_linenumber" name="309" href="#309">309</a> <strong class="jxr_keyword">this</strong>.netConf = netConf;
|
| <a class="jxr_linenumber" name="310" href="#310">310</a> <strong class="jxr_keyword">this</strong>.hostName = netConf.getHostName();
|
| <a class="jxr_linenumber" name="311" href="#311">311</a> <strong class="jxr_keyword">this</strong>.instance = Integer.parseInt(instance);
|
| <a class="jxr_linenumber" name="312" href="#312">312</a> <strong class="jxr_keyword">this</strong>.infoPort = infoPort;
|
| <a class="jxr_linenumber" name="313" href="#313">313</a> <strong class="jxr_keyword">this</strong>.childServers = childServers;
|
| <a class="jxr_linenumber" name="314" href="#314">314</a> <strong class="jxr_keyword">this</strong>.parentZnode = <strong class="jxr_keyword">this</strong>.conf.get(Constants.ZOOKEEPER_ZNODE_PARENT,
|
| <a class="jxr_linenumber" name="315" href="#315">315</a> Constants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);
|
| <a class="jxr_linenumber" name="316" href="#316">316</a> <strong class="jxr_keyword">this</strong>.connectingTimeout = <strong class="jxr_keyword">this</strong>.conf.getInt(
|
| <a class="jxr_linenumber" name="317" href="#317">317</a> Constants.DCS_SERVER_USER_PROGRAM_CONNECTING_TIMEOUT,
|
| <a class="jxr_linenumber" name="318" href="#318">318</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_CONNECTING_TIMEOUT);
|
| <a class="jxr_linenumber" name="319" href="#319">319</a> <strong class="jxr_keyword">this</strong>.zkSessionTimeout = <strong class="jxr_keyword">this</strong>.conf
|
| <a class="jxr_linenumber" name="320" href="#320">320</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_ZOOKEEPER_SESSION_TIMEOUT,
|
| <a class="jxr_linenumber" name="321" href="#321">321</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_ZOOKEEPER_SESSION_TIMEOUT);
|
| <a class="jxr_linenumber" name="322" href="#322">322</a> <strong class="jxr_keyword">this</strong>.userProgExitAfterDisconnect = <strong class="jxr_keyword">this</strong>.conf
|
| <a class="jxr_linenumber" name="323" href="#323">323</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_EXIT_AFTER_DISCONNECT,
|
| <a class="jxr_linenumber" name="324" href="#324">324</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_EXIT_AFTER_DISCONNECT);
|
| <a class="jxr_linenumber" name="325" href="#325">325</a> <strong class="jxr_keyword">this</strong>.maxHeapPctExit = <strong class="jxr_keyword">this</strong>.conf.getInt(
|
| <a class="jxr_linenumber" name="326" href="#326">326</a> Constants.DCS_SERVER_USER_PROGRAM_MAX_HEAP_PCT_EXIT,
|
| <a class="jxr_linenumber" name="327" href="#327">327</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_MAX_HEAP_PCT_EXIT);
|
| <a class="jxr_linenumber" name="328" href="#328">328</a> <strong class="jxr_keyword">this</strong>.statisticsIntervalTime = <strong class="jxr_keyword">this</strong>.conf
|
| <a class="jxr_linenumber" name="329" href="#329">329</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_STATISTICS_INTERVAL_TIME,
|
| <a class="jxr_linenumber" name="330" href="#330">330</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_STATISTICS_INTERVAL_TIME);
|
| <a class="jxr_linenumber" name="331" href="#331">331</a> <strong class="jxr_keyword">this</strong>.statisticsLimitTime = <strong class="jxr_keyword">this</strong>.conf
|
| <a class="jxr_linenumber" name="332" href="#332">332</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_STATISTICS_LIMIT_TIME,
|
| <a class="jxr_linenumber" name="333" href="#333">333</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_STATISTICS_LIMIT_TIME);
|
| <a class="jxr_linenumber" name="334" href="#334">334</a> <strong class="jxr_keyword">this</strong>.statisticsType = <strong class="jxr_keyword">this</strong>.conf.get(
|
| <a class="jxr_linenumber" name="335" href="#335">335</a> Constants.DCS_SERVER_USER_PROGRAM_STATISTICS_TYPE,
|
| <a class="jxr_linenumber" name="336" href="#336">336</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_STATISTICS_TYPE);
|
| <a class="jxr_linenumber" name="337" href="#337">337</a> <strong class="jxr_keyword">this</strong>.statisticsEnable = <strong class="jxr_keyword">this</strong>.conf.get(
|
| <a class="jxr_linenumber" name="338" href="#338">338</a> Constants.DCS_SERVER_USER_PROGRAM_STATISTICS_ENABLE,
|
| <a class="jxr_linenumber" name="339" href="#339">339</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_STATISTICS_ENABLE);
|
| <a class="jxr_linenumber" name="340" href="#340">340</a> <strong class="jxr_keyword">this</strong>.sqlplanEnable = <strong class="jxr_keyword">this</strong>.conf
|
| <a class="jxr_linenumber" name="341" href="#341">341</a> .get(Constants.DCS_SERVER_USER_PROGRAM_STATISTICS_SQLPLAN_ENABLE,
|
| <a class="jxr_linenumber" name="342" href="#342">342</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_STATISTICS_SQLPLAN_ENABLE);
|
| <a class="jxr_linenumber" name="343" href="#343">343</a> <strong class="jxr_keyword">this</strong>.userProgPortMapToSecs = <strong class="jxr_keyword">this</strong>.conf
|
| <a class="jxr_linenumber" name="344" href="#344">344</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_PORT_MAP_TIMEOUT_SECONDS,
|
| <a class="jxr_linenumber" name="345" href="#345">345</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_PORT_MAP_TIMEOUT_SECONDS);
|
| <a class="jxr_linenumber" name="346" href="#346">346</a> <strong class="jxr_keyword">this</strong>.userProgPortBindToSecs = <strong class="jxr_keyword">this</strong>.conf
|
| <a class="jxr_linenumber" name="347" href="#347">347</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_PORT_BIND_TIMEOUT_SECONDS,
|
| <a class="jxr_linenumber" name="348" href="#348">348</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_PORT_BIND_TIMEOUT_SECONDS);
|
| <a class="jxr_linenumber" name="349" href="#349">349</a> <strong class="jxr_keyword">this</strong>.maxRestartAttempts = conf
|
| <a class="jxr_linenumber" name="350" href="#350">350</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_RESTART_HANDLER_ATTEMPTS,
|
| <a class="jxr_linenumber" name="351" href="#351">351</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_RESTART_HANDLER_ATTEMPTS);
|
| <a class="jxr_linenumber" name="352" href="#352">352</a> <strong class="jxr_keyword">this</strong>.retryIntervalMillis = conf
|
| <a class="jxr_linenumber" name="353" href="#353">353</a> .getInt(Constants.DCS_SERVER_USER_PROGRAM_RESTART_HANDLER_RETRY_INTERVAL_MILLIS,
|
| <a class="jxr_linenumber" name="354" href="#354">354</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_RESTART_HANDLER_RETRY_INTERVAL_MILLIS);
|
| <a class="jxr_linenumber" name="355" href="#355">355</a> <strong class="jxr_keyword">this</strong>.retryCounterFactory = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/util/RetryCounterFactory.html">RetryCounterFactory</a>(
|
| <a class="jxr_linenumber" name="356" href="#356">356</a> <strong class="jxr_keyword">this</strong>.maxRestartAttempts, <strong class="jxr_keyword">this</strong>.retryIntervalMillis);
|
| <a class="jxr_linenumber" name="357" href="#357">357</a> }
|
| <a class="jxr_linenumber" name="358" href="#358">358</a>
|
| <a class="jxr_linenumber" name="359" href="#359">359</a> @Override
|
| <a class="jxr_linenumber" name="360" href="#360">360</a> <strong class="jxr_keyword">public</strong> Boolean call() <strong class="jxr_keyword">throws</strong> Exception {
|
| <a class="jxr_linenumber" name="361" href="#361">361</a>
|
| <a class="jxr_linenumber" name="362" href="#362">362</a> ExecutorService executorService = Executors
|
| <a class="jxr_linenumber" name="363" href="#363">363</a> .newFixedThreadPool(childServers);
|
| <a class="jxr_linenumber" name="364" href="#364">364</a> CompletionService<Integer> completionService = <strong class="jxr_keyword">new</strong> ExecutorCompletionService<Integer>(
|
| <a class="jxr_linenumber" name="365" href="#365">365</a> executorService);
|
| <a class="jxr_linenumber" name="366" href="#366">366</a>
|
| <a class="jxr_linenumber" name="367" href="#367">367</a> <strong class="jxr_keyword">try</strong> {
|
| <a class="jxr_linenumber" name="368" href="#368">368</a> getMaster();
|
| <a class="jxr_linenumber" name="369" href="#369">369</a> featureCheck();
|
| <a class="jxr_linenumber" name="370" href="#370">370</a> registerInRunning(instance);
|
| <a class="jxr_linenumber" name="371" href="#371">371</a>
|
| <a class="jxr_linenumber" name="372" href="#372">372</a> <em class="jxr_comment">// When started from bin/dcs-start.sh script childServers will</em>
|
| <a class="jxr_linenumber" name="373" href="#373">373</a> <em class="jxr_comment">// contain the</em>
|
| <a class="jxr_linenumber" name="374" href="#374">374</a> <em class="jxr_comment">// count passed in from the servers.sh script. However when</em>
|
| <a class="jxr_linenumber" name="375" href="#375">375</a> <em class="jxr_comment">// DcsServer is</em>
|
| <a class="jxr_linenumber" name="376" href="#376">376</a> <em class="jxr_comment">// killed or dies for any reason DcsMaster restarts it using</em>
|
| <a class="jxr_linenumber" name="377" href="#377">377</a> <em class="jxr_comment">// /bin/dcs-daemon script</em>
|
| <a class="jxr_linenumber" name="378" href="#378">378</a> <em class="jxr_comment">// which DOES NOT set childServers count.</em>
|
| <a class="jxr_linenumber" name="379" href="#379">379</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> childInstance = 1; childInstance <= childServers; childInstance++) {
|
| <a class="jxr_linenumber" name="380" href="#380">380</a> completionService.submit(<strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerHandler</a>(childInstance));
|
| <a class="jxr_linenumber" name="381" href="#381">381</a> LOG.debug(<span class="jxr_string">"Started server handler ["</span> + instance + <span class="jxr_string">":"</span>
|
| <a class="jxr_linenumber" name="382" href="#382">382</a> + childInstance + <span class="jxr_string">"]"</span>);
|
| <a class="jxr_linenumber" name="383" href="#383">383</a> }
|
| <a class="jxr_linenumber" name="384" href="#384">384</a>
|
| <a class="jxr_linenumber" name="385" href="#385">385</a> <strong class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>) {
|
| <a class="jxr_linenumber" name="386" href="#386">386</a> LOG.debug(<span class="jxr_string">"Waiting for any server handler to finish"</span>);
|
| <a class="jxr_linenumber" name="387" href="#387">387</a> Future<Integer> f = completionService.take();<em class="jxr_comment">// blocks waiting</em>
|
| <a class="jxr_linenumber" name="388" href="#388">388</a> <em class="jxr_comment">// for any</em>
|
| <a class="jxr_linenumber" name="389" href="#389">389</a> <em class="jxr_comment">// ServerHandler to</em>
|
| <a class="jxr_linenumber" name="390" href="#390">390</a> <em class="jxr_comment">// finish</em>
|
| <a class="jxr_linenumber" name="391" href="#391">391</a> <strong class="jxr_keyword">if</strong> (f != <strong class="jxr_keyword">null</strong>) {
|
| <a class="jxr_linenumber" name="392" href="#392">392</a> Integer result = f.get();
|
| <a class="jxr_linenumber" name="393" href="#393">393</a> LOG.debug(<span class="jxr_string">"Server handler ["</span> + instance + <span class="jxr_string">":"</span> + result
|
| <a class="jxr_linenumber" name="394" href="#394">394</a> + <span class="jxr_string">"] finished, restarting"</span>);
|
| <a class="jxr_linenumber" name="395" href="#395">395</a> completionService.submit(<strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/server/ServerManager.html">ServerHandler</a>(result));
|
| <a class="jxr_linenumber" name="396" href="#396">396</a> }
|
| <a class="jxr_linenumber" name="397" href="#397">397</a> }
|
| <a class="jxr_linenumber" name="398" href="#398">398</a>
|
| <a class="jxr_linenumber" name="399" href="#399">399</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
|
| <a class="jxr_linenumber" name="400" href="#400">400</a> e.printStackTrace();
|
| <a class="jxr_linenumber" name="401" href="#401">401</a> LOG.error(e);
|
| <a class="jxr_linenumber" name="402" href="#402">402</a> <strong class="jxr_keyword">if</strong> (executorService != <strong class="jxr_keyword">null</strong>)
|
| <a class="jxr_linenumber" name="403" href="#403">403</a> executorService.shutdown();
|
| <a class="jxr_linenumber" name="404" href="#404">404</a> <strong class="jxr_keyword">throw</strong> e;
|
| <a class="jxr_linenumber" name="405" href="#405">405</a> }
|
| <a class="jxr_linenumber" name="406" href="#406">406</a> <em class="jxr_comment">/*</em>
|
| <a class="jxr_linenumber" name="407" href="#407">407</a> <em class="jxr_comment"> * ExecutorService pool = Executors.newSingleThreadExecutor();</em>
|
| <a class="jxr_linenumber" name="408" href="#408">408</a> <em class="jxr_comment"> * </em>
|
| <a class="jxr_linenumber" name="409" href="#409">409</a> <em class="jxr_comment"> * try { getMaster(); registerInRunning(); featureCheck();</em>
|
| <a class="jxr_linenumber" name="410" href="#410">410</a> <em class="jxr_comment"> * </em>
|
| <a class="jxr_linenumber" name="411" href="#411">411</a> <em class="jxr_comment"> * Callable<Boolean> serverMonitor = new ServerMonitor();</em>
|
| <a class="jxr_linenumber" name="412" href="#412">412</a> <em class="jxr_comment"> * Callable<ScriptContext> serverRunner = new ServerRunner();</em>
|
| <a class="jxr_linenumber" name="413" href="#413">413</a> <em class="jxr_comment"> * </em>
|
| <a class="jxr_linenumber" name="414" href="#414">414</a> <em class="jxr_comment"> * long timeoutMillis=5000;</em>
|
| <a class="jxr_linenumber" name="415" href="#415">415</a> <em class="jxr_comment"> * </em>
|
| <a class="jxr_linenumber" name="416" href="#416">416</a> <em class="jxr_comment"> * while(true) { Future<Boolean> monitor = pool.submit(serverMonitor);</em>
|
| <a class="jxr_linenumber" name="417" href="#417">417</a> <em class="jxr_comment"> * if(false == monitor.get().booleanValue()) { //blocking call</em>
|
| <a class="jxr_linenumber" name="418" href="#418">418</a> <em class="jxr_comment"> * LOG.info("User program is not running"); Future<ScriptContext> runner</em>
|
| <a class="jxr_linenumber" name="419" href="#419">419</a> <em class="jxr_comment"> * = pool.submit(serverRunner); ScriptContext scriptContext =</em>
|
| <a class="jxr_linenumber" name="420" href="#420">420</a> <em class="jxr_comment"> * runner.get();//blocking call</em>
|
| <a class="jxr_linenumber" name="421" href="#421">421</a> <em class="jxr_comment"> * </em>
|
| <a class="jxr_linenumber" name="422" href="#422">422</a> <em class="jxr_comment"> * StringBuilder sb = new StringBuilder(); sb.append("exit code [" +</em>
|
| <a class="jxr_linenumber" name="423" href="#423">423</a> <em class="jxr_comment"> * scriptContext.getExitCode() + "]"); if(!</em>
|
| <a class="jxr_linenumber" name="424" href="#424">424</a> <em class="jxr_comment"> * scriptContext.getStdOut().toString().isEmpty())</em>
|
| <a class="jxr_linenumber" name="425" href="#425">425</a> <em class="jxr_comment"> * sb.append(", stdout [" + scriptContext.getStdOut().toString() + "]");</em>
|
| <a class="jxr_linenumber" name="426" href="#426">426</a> <em class="jxr_comment"> * if(! scriptContext.getStdErr().toString().isEmpty())</em>
|
| <a class="jxr_linenumber" name="427" href="#427">427</a> <em class="jxr_comment"> * sb.append(", stderr [" + scriptContext.getStdErr().toString() + "]");</em>
|
| <a class="jxr_linenumber" name="428" href="#428">428</a> <em class="jxr_comment"> * LOG.info(sb.toString());</em>
|
| <a class="jxr_linenumber" name="429" href="#429">429</a> <em class="jxr_comment"> * </em>
|
| <a class="jxr_linenumber" name="430" href="#430">430</a> <em class="jxr_comment"> * switch(scriptContext.getExitCode()) { case 3:</em>
|
| <a class="jxr_linenumber" name="431" href="#431">431</a> <em class="jxr_comment"> * LOG.error("Trafodion is not running"); timeoutMillis=60000; break;</em>
|
| <a class="jxr_linenumber" name="432" href="#432">432</a> <em class="jxr_comment"> * case 127: LOG.error("Cannot find user program executable");</em>
|
| <a class="jxr_linenumber" name="433" href="#433">433</a> <em class="jxr_comment"> * timeoutMillis=60000; break; default: timeoutMillis=5000; }</em>
|
| <a class="jxr_linenumber" name="434" href="#434">434</a> <em class="jxr_comment"> * </em>
|
| <a class="jxr_linenumber" name="435" href="#435">435</a> <em class="jxr_comment"> * } else { timeoutMillis=5000; }</em>
|
| <a class="jxr_linenumber" name="436" href="#436">436</a> <em class="jxr_comment"> * </em>
|
| <a class="jxr_linenumber" name="437" href="#437">437</a> <em class="jxr_comment"> * try { Thread.sleep(timeoutMillis); } catch (InterruptedException e) {</em>
|
| <a class="jxr_linenumber" name="438" href="#438">438</a> <em class="jxr_comment"> * } }</em>
|
| <a class="jxr_linenumber" name="439" href="#439">439</a> <em class="jxr_comment"> * </em>
|
| <a class="jxr_linenumber" name="440" href="#440">440</a> <em class="jxr_comment"> * } catch (Exception e) { e.printStackTrace(); LOG.error(e);</em>
|
| <a class="jxr_linenumber" name="441" href="#441">441</a> <em class="jxr_comment"> * pool.shutdown(); throw e; }</em>
|
| <a class="jxr_linenumber" name="442" href="#442">442</a> <em class="jxr_comment"> */</em>
|
| <a class="jxr_linenumber" name="443" href="#443">443</a> }
|
| <a class="jxr_linenumber" name="444" href="#444">444</a>
|
| <a class="jxr_linenumber" name="445" href="#445">445</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> featureCheck() {
|
| <a class="jxr_linenumber" name="446" href="#446">446</a> <strong class="jxr_keyword">final</strong> String msg1 = <span class="jxr_string">"Property "</span>
|
| <a class="jxr_linenumber" name="447" href="#447">447</a> + Constants.DCS_SERVER_USER_PROGRAM
|
| <a class="jxr_linenumber" name="448" href="#448">448</a> + <span class="jxr_string">" is false. "</span>
|
| <a class="jxr_linenumber" name="449" href="#449">449</a> + <span class="jxr_string">"Please add to your dcs-site.xml file and set <value>false</value> to <value>true</value>."</span>;
|
| <a class="jxr_linenumber" name="450" href="#450">450</a> <strong class="jxr_keyword">final</strong> String msg2 = <span class="jxr_string">"Environment variable $MY_SQROOT is not set."</span>;
|
| <a class="jxr_linenumber" name="451" href="#451">451</a>
|
| <a class="jxr_linenumber" name="452" href="#452">452</a> <strong class="jxr_keyword">boolean</strong> ready = false;
|
| <a class="jxr_linenumber" name="453" href="#453">453</a> <strong class="jxr_keyword">while</strong> (!ready) {
|
| <a class="jxr_linenumber" name="454" href="#454">454</a> userProgEnabled = conf.getBoolean(
|
| <a class="jxr_linenumber" name="455" href="#455">455</a> Constants.DCS_SERVER_USER_PROGRAM,
|
| <a class="jxr_linenumber" name="456" href="#456">456</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM);
|
| <a class="jxr_linenumber" name="457" href="#457">457</a> userProgramHome = System.getProperty(<span class="jxr_string">"dcs.user.program.home"</span>);
|
| <a class="jxr_linenumber" name="458" href="#458">458</a> userProgramCommand = conf.get(
|
| <a class="jxr_linenumber" name="459" href="#459">459</a> Constants.DCS_SERVER_USER_PROGRAM_COMMAND,
|
| <a class="jxr_linenumber" name="460" href="#460">460</a> Constants.DEFAULT_DCS_SERVER_USER_PROGRAM_COMMAND);
|
| <a class="jxr_linenumber" name="461" href="#461">461</a>
|
| <a class="jxr_linenumber" name="462" href="#462">462</a> <strong class="jxr_keyword">if</strong> (userProgEnabled == <strong class="jxr_keyword">true</strong> && userProgramHome.isEmpty() == false
|
| <a class="jxr_linenumber" name="463" href="#463">463</a> && userProgramCommand.isEmpty() == false) {
|
| <a class="jxr_linenumber" name="464" href="#464">464</a> ready = <strong class="jxr_keyword">true</strong>;
|
| <a class="jxr_linenumber" name="465" href="#465">465</a> <strong class="jxr_keyword">continue</strong>;
|
| <a class="jxr_linenumber" name="466" href="#466">466</a> }
|
| <a class="jxr_linenumber" name="467" href="#467">467</a>
|
| <a class="jxr_linenumber" name="468" href="#468">468</a> <strong class="jxr_keyword">if</strong> (userProgEnabled == false)
|
| <a class="jxr_linenumber" name="469" href="#469">469</a> LOG.error(msg1);
|
| <a class="jxr_linenumber" name="470" href="#470">470</a> <strong class="jxr_keyword">if</strong> (userProgramHome.isEmpty())
|
| <a class="jxr_linenumber" name="471" href="#471">471</a> LOG.error(msg2);
|
| <a class="jxr_linenumber" name="472" href="#472">472</a>
|
| <a class="jxr_linenumber" name="473" href="#473">473</a> <strong class="jxr_keyword">try</strong> {
|
| <a class="jxr_linenumber" name="474" href="#474">474</a> Thread.sleep(60000);
|
| <a class="jxr_linenumber" name="475" href="#475">475</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException e) {
|
| <a class="jxr_linenumber" name="476" href="#476">476</a> }
|
| <a class="jxr_linenumber" name="477" href="#477">477</a> }
|
| <a class="jxr_linenumber" name="478" href="#478">478</a>
|
| <a class="jxr_linenumber" name="479" href="#479">479</a> LOG.info(<span class="jxr_string">"User program enabled"</span>);
|
| <a class="jxr_linenumber" name="480" href="#480">480</a> }
|
| <a class="jxr_linenumber" name="481" href="#481">481</a>
|
| <a class="jxr_linenumber" name="482" href="#482">482</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> getMaster() {
|
| <a class="jxr_linenumber" name="483" href="#483">483</a> <strong class="jxr_keyword">boolean</strong> found = false;
|
| <a class="jxr_linenumber" name="484" href="#484">484</a>
|
| <a class="jxr_linenumber" name="485" href="#485">485</a> <strong class="jxr_keyword">while</strong> (!found) {
|
| <a class="jxr_linenumber" name="486" href="#486">486</a> LOG.info(<span class="jxr_string">"Checking DcsMaster znode ["</span> + parentZnode
|
| <a class="jxr_linenumber" name="487" href="#487">487</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_MASTER + <span class="jxr_string">"]"</span>);
|
| <a class="jxr_linenumber" name="488" href="#488">488</a> <strong class="jxr_keyword">try</strong> {
|
| <a class="jxr_linenumber" name="489" href="#489">489</a> Stat stat = zkc.exists(parentZnode
|
| <a class="jxr_linenumber" name="490" href="#490">490</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_MASTER, false);
|
| <a class="jxr_linenumber" name="491" href="#491">491</a> <strong class="jxr_keyword">if</strong> (stat != <strong class="jxr_keyword">null</strong>) {
|
| <a class="jxr_linenumber" name="492" href="#492">492</a> List<String> nodes = zkc.getChildren(parentZnode
|
| <a class="jxr_linenumber" name="493" href="#493">493</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_MASTER, <strong class="jxr_keyword">null</strong>);
|
| <a class="jxr_linenumber" name="494" href="#494">494</a> <strong class="jxr_keyword">if</strong> (!nodes.isEmpty()) {
|
| <a class="jxr_linenumber" name="495" href="#495">495</a> StringTokenizer st = <strong class="jxr_keyword">new</strong> StringTokenizer(nodes.get(0),
|
| <a class="jxr_linenumber" name="496" href="#496">496</a> <span class="jxr_string">":"</span>);
|
| <a class="jxr_linenumber" name="497" href="#497">497</a> <strong class="jxr_keyword">while</strong> (st.hasMoreTokens()) {
|
| <a class="jxr_linenumber" name="498" href="#498">498</a> masterHostName = st.nextToken();
|
| <a class="jxr_linenumber" name="499" href="#499">499</a> port = Integer.parseInt(st.nextToken());
|
| <a class="jxr_linenumber" name="500" href="#500">500</a> portRange = Integer.parseInt(st.nextToken());
|
| <a class="jxr_linenumber" name="501" href="#501">501</a> masterStartTime = Long.parseLong(st.nextToken());
|
| <a class="jxr_linenumber" name="502" href="#502">502</a> }
|
| <a class="jxr_linenumber" name="503" href="#503">503</a> found = <strong class="jxr_keyword">true</strong>;
|
| <a class="jxr_linenumber" name="504" href="#504">504</a> LOG.info(<span class="jxr_string">"DcsMaster znode ["</span> + parentZnode
|
| <a class="jxr_linenumber" name="505" href="#505">505</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_MASTER
|
| <a class="jxr_linenumber" name="506" href="#506">506</a> + <span class="jxr_string">"] found"</span>);
|
| <a class="jxr_linenumber" name="507" href="#507">507</a> }
|
| <a class="jxr_linenumber" name="508" href="#508">508</a> } <strong class="jxr_keyword">else</strong> {
|
| <a class="jxr_linenumber" name="509" href="#509">509</a> LOG.info(<span class="jxr_string">"DcsMaster znode ["</span> + parentZnode
|
| <a class="jxr_linenumber" name="510" href="#510">510</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_MASTER
|
| <a class="jxr_linenumber" name="511" href="#511">511</a> + <span class="jxr_string">"] not found"</span>);
|
| <a class="jxr_linenumber" name="512" href="#512">512</a> }
|
| <a class="jxr_linenumber" name="513" href="#513">513</a>
|
| <a class="jxr_linenumber" name="514" href="#514">514</a> <strong class="jxr_keyword">if</strong> (!found) {
|
| <a class="jxr_linenumber" name="515" href="#515">515</a> <strong class="jxr_keyword">try</strong> {
|
| <a class="jxr_linenumber" name="516" href="#516">516</a> Thread.sleep(5000);
|
| <a class="jxr_linenumber" name="517" href="#517">517</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException e) {
|
| <a class="jxr_linenumber" name="518" href="#518">518</a> }
|
| <a class="jxr_linenumber" name="519" href="#519">519</a> }
|
| <a class="jxr_linenumber" name="520" href="#520">520</a>
|
| <a class="jxr_linenumber" name="521" href="#521">521</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
|
| <a class="jxr_linenumber" name="522" href="#522">522</a> e.printStackTrace();
|
| <a class="jxr_linenumber" name="523" href="#523">523</a> LOG.error(e);
|
| <a class="jxr_linenumber" name="524" href="#524">524</a> }
|
| <a class="jxr_linenumber" name="525" href="#525">525</a> }
|
| <a class="jxr_linenumber" name="526" href="#526">526</a> }
|
| <a class="jxr_linenumber" name="527" href="#527">527</a>
|
| <a class="jxr_linenumber" name="528" href="#528">528</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> registerInRunning(<strong class="jxr_keyword">int</strong> instance) {
|
| <a class="jxr_linenumber" name="529" href="#529">529</a> String znode = parentZnode
|
| <a class="jxr_linenumber" name="530" href="#530">530</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_RUNNING + <span class="jxr_string">"/"</span>
|
| <a class="jxr_linenumber" name="531" href="#531">531</a> + hostName + <span class="jxr_string">":"</span> + instance + <span class="jxr_string">":"</span> + infoPort + <span class="jxr_string">":"</span>
|
| <a class="jxr_linenumber" name="532" href="#532">532</a> + System.currentTimeMillis();
|
| <a class="jxr_linenumber" name="533" href="#533">533</a> <strong class="jxr_keyword">try</strong> {
|
| <a class="jxr_linenumber" name="534" href="#534">534</a> Stat stat = zkc.exists(znode, false);
|
| <a class="jxr_linenumber" name="535" href="#535">535</a> <strong class="jxr_keyword">if</strong> (stat == <strong class="jxr_keyword">null</strong>) {
|
| <a class="jxr_linenumber" name="536" href="#536">536</a> zkc.create(znode, <strong class="jxr_keyword">new</strong> byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE,
|
| <a class="jxr_linenumber" name="537" href="#537">537</a> CreateMode.EPHEMERAL);
|
| <a class="jxr_linenumber" name="538" href="#538">538</a> LOG.info(<span class="jxr_string">"Created znode ["</span> + znode + <span class="jxr_string">"]"</span>);
|
| <a class="jxr_linenumber" name="539" href="#539">539</a> }
|
| <a class="jxr_linenumber" name="540" href="#540">540</a> } <strong class="jxr_keyword">catch</strong> (KeeperException.NodeExistsException e) {
|
| <a class="jxr_linenumber" name="541" href="#541">541</a> <em class="jxr_comment">// do nothing...leftover from previous shutdown</em>
|
| <a class="jxr_linenumber" name="542" href="#542">542</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
|
| <a class="jxr_linenumber" name="543" href="#543">543</a> e.printStackTrace();
|
| <a class="jxr_linenumber" name="544" href="#544">544</a> LOG.error(e);
|
| <a class="jxr_linenumber" name="545" href="#545">545</a> }
|
| <a class="jxr_linenumber" name="546" href="#546">546</a> }
|
| <a class="jxr_linenumber" name="547" href="#547">547</a>
|
| <a class="jxr_linenumber" name="548" href="#548">548</a> <strong class="jxr_keyword">public</strong> String getMasterHostName() {
|
| <a class="jxr_linenumber" name="549" href="#549">549</a> <strong class="jxr_keyword">return</strong> masterHostName;
|
| <a class="jxr_linenumber" name="550" href="#550">550</a> }
|
| <a class="jxr_linenumber" name="551" href="#551">551</a>
|
| <a class="jxr_linenumber" name="552" href="#552">552</a> <strong class="jxr_keyword">public</strong> String getZKParentZnode() {
|
| <a class="jxr_linenumber" name="553" href="#553">553</a> <strong class="jxr_keyword">return</strong> parentZnode;
|
| <a class="jxr_linenumber" name="554" href="#554">554</a> }
|
| <a class="jxr_linenumber" name="555" href="#555">555</a>
|
| <a class="jxr_linenumber" name="556" href="#556">556</a> <strong class="jxr_keyword">public</strong> String getUserProgramHome() {
|
| <a class="jxr_linenumber" name="557" href="#557">557</a> <strong class="jxr_keyword">return</strong> userProgramHome;
|
| <a class="jxr_linenumber" name="558" href="#558">558</a> }
|
| <a class="jxr_linenumber" name="559" href="#559">559</a> }
|
| </pre> |
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